Stability Assessment of High and Steep Cutting Rock Slopes with the SSPC Method

Table 4

Orientation-dependent stability probabilities of discontinuities at the typical investigated slopes.

Slope	Discontinuity	STC	AP	Sliding probability	Toppling probability	Slope stability probability
1	B1	0.45	−65.78	100%	95%	70%
	J2	0.27	25.58	70%	100%
	J3	0.27	73.80	100%	100%
2	B1	0.45	58.23	100%	100%	95%
	J1	0.27	21.88	95%	100%
	J2	0.27	82.28	100%	100%
3	B1	0.61	−42.41	100%	＞95%	95%
	J1	0.65	45.65	＞95%	100%
	J2	0.42	−54.08	100%	95%
4	B1	0.61	−42.41	100%	＞95%	95%
	J1	0.65	45.65	＞95%	100%
	J2	0.42	−54.08	100%	95%
5	B1	0.76	−60.26	100%	＞95%	＞95%
	J1	0.65	37.73	＞95%	100%
	J2	0.65	−24.76	100%	＞95%
6	B1	0.76	67.37	＞70%	100%	＞70%
	J1	0.65	9.85	＞95%	100%
	J2	0.65	81.33	100%	100%